The 9FD10-6600/U500-O/O from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 6255 to 6945 MHz, Bandwidth 690 MHz (1dB), Center Frequency 6600 MHz, Insertion Loss 0.63 dB, Upper Rejection 40 dB. Tags: Cavity Filter. More details for 9FD10-6600/U500-O/O can be seen below.